Invention Grant
- Patent Title: Display device having light guide unit
- Patent Title (中): 具有导光单元的显示装置
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Application No.: US12339479Application Date: 2008-12-19
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Publication No.: US07708443B2Publication Date: 2010-05-04
- Inventor: Hwan-Jin Kim , Sang-Hee Lee , Kyoung-Don Lee , Se-In Chang , Jae-Kwang Kim , In-Hyuk Choi , Wal-Hee Kim , Jae-Lok Cha , Ji-Hwan Jang
- Applicant: Hwan-Jin Kim , Sang-Hee Lee , Kyoung-Don Lee , Se-In Chang , Jae-Kwang Kim , In-Hyuk Choi , Wal-Hee Kim , Jae-Lok Cha , Ji-Hwan Jang
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR
- Agency: Cantor Colburn LLP
- Priority: KR2005-98959 20051020
- Main IPC: F21V8/00
- IPC: F21V8/00 ; F21V7/04
Abstract:
A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.
Public/Granted literature
- US20090103326A1 DISPLAY DEVICE HAVING LIGHT GUIDE UNIT Public/Granted day:2009-04-23
Information query
